CXA2094Q
• I2C data Write (Write from I2C controller to the IC)
L during Write
HIZ
MSB
MSB
1
LSB
HIZ
SDA
1
2
3
4
5
6
7
8
9
8
9
SCL
S
Address
HIZ
ACK
Sub Address
ACK
MSB
LSB
HIZ
1
8
9
1
8
9
DATA (n)
ACK
DATA (n + 1)
ACK
DATA (n + 2)
HIZ
HIZ
8
9
1
8
9
Data can be transferred in 8-bit units to be
set as required.
P
Sub address is incremented automatically.
DATA
ACK
DATA
ACK
• I2C data Read (Read from the IC to I2C controller)
H during Read
HIZ
SDA
7
1
6
7
8
9
1
8
9
SCL
P
S
Address
ACK
DATA
ACK
• Read timing
MSB
LSB
IC output SDA
SCL
9
1
2
3
4
5
6
7
8
9
Read timing
ACK
DATA
ACK
Data Read is performed during SCL rise.
– 28 –
SONY [ SONY CORPORATION ]
